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Dual wideband and low cross‐polarization printed dipole antenna with h‐slot for WLAN applications
Author(s) -
Li Xin,
Wang YaFang,
Shi XiaoWei
Publication year - 2012
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.27173
Subject(s) - omnidirectional antenna , wideband , multi band device , wi fi , microwave , electrical engineering , return loss , dipole antenna , antenna (radio) , optics , wireless , physics , engineering , telecommunications , wireless network
Abstract A novel dual wideband and low cross‐polarization printed dipole antenna for wireless local area network applications is proposed in this article.Two H‐slots are etched symmetrically on the radiating arms which produce the dual band characteristic. By using the tapered U‐shaped structures, good wide band impendence matching can be achieved without additional matching circuit, and then dual wideband can be obtained conveniently. Based on this concept, a prototype of this antenna has been designed, fabricated, and measured. The experimental results show that the proposed antenna yields two operating bands of 2.17–2.95 GHz and 5.05–6.46 GHz with −10 dB return loss, which can cover all the wireless local area network operating bands. Moreover, the radiation patterns are almost omnidirectional in the H‐plane and low cross‐polarization levels are observed in both the E‐ and H‐plane. © 2012 Wiley Periodicals, Inc. Microwave Opt Technol Lett 54:2846–2848, 2012; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.27173